HP No.1 10W-40 is a super premium quality diesel engine oil formulated using the finest paraffinic base stocks and advanced additive technology. It is designed to meet the demanding performance requirements of modern emission-compliant diesel engines, including those equipped with Exhaust Gas Recirculation (EGR) systems. The oil delivers superior protection against corrosion and wear, while maintaining excellent oxidation stability and viscosity retention even under extreme operating conditions. Engineered for new-generation diesel engines used in heavy commercial vehicles, light commercial vehicles, multi-utility vehicles, and off-road equipment, HP No.1 10W-40 ensures smooth operation and long-lasting engine performance. It provides outstanding control over piston deposits, valve train wear, and foaming, ensuring cleaner engines and improved fuel efficiency. Its balanced formulation enhances cold-start performance while maintaining strong oil film strength at high temperatures. With its exceptional detergency and dispersancy, HP No.1 10W-40 minimizes sludge and carbon buildup, extending engine life and reducing maintenance costs. The oil’s anti-wear and anti-corrosion properties further safeguard critical components such as cylinder liners, pistons, rings, and camshafts. Fully compliant with API CI-4 / CH-4 and ACEA E7 performance standards, HP No.1 10W-40 is trusted for use in turbocharged, CRDI, and EGR-equipped engines that demand superior lubrication and long drain intervals. Its cleaner combustion characteristics also help lower exhaust emissions, making it an environmentally responsible choice for modern diesel fleets.
| Properties | HP No.1 10W-40 |
|---|---|
| Kinematic Viscosity @ 100°C, cSt | 14.0 – 15.0 |
| Viscosity Index | 134 |
| TBN, mg KOH/gm | 10 |
| Flash Point, COC, °C | 230 |
| Pour Point, °C | -30 |
